Chirk Castle, Chirk, Wrexham, Wales, LL14 5AF. Visitors can discover snowdrops scattered between clipped yews, herbaceous borders, shrub and rock gardens. However, the best snowdrops of displays are found in the Pleasure Ground Wood, which is the formal woodland attached to the formal gardens. Chirk Castle gardens open daily from 10am until 4pm. For all the details, please click here.